A famed mystery writer and her doctor ex-lover solve her daughter-in-law's murder.

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Main Cast: Angela Lansbury, Laurence Olivier, Hildegard Neil, Charles Keating, Garrick Hagon, Tracey Childs, Tariq Yunus, Hayward Morse

Director: Alvin Rakoff

Writers: Norman Panama, Jerome Chodorov

Editor: Phil Southby

Cinematographer:

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